Best Buy has kicked off its latest weekend sale, offering deals on 4K TVs, laptops, wireless headphones, and more. Those in the market for a 4K TV can pick up a Sony 65-inch smart Google TV with HDMI 2.1 for $500 off. Apple's pricey AirPods Max headphones are on sale for about $80 off, and you can also get an excellent pair of Sennheiser wireless earbuds at a steep discount. Meanwhile, there are some nice laptop and Mac deals, including back-to-school discounts on Lenovo laptops for...